Staff Data Platform Engineer - Hybrid Dublin (Spark/Iceberg)

Toast, Inc.; Dublin; Hybrid; EUR 120,000 - 180,000; Full time

Job summary

Toast, Inc. is seeking a Staff Software Engineer to lead the data platform evolution in Dublin. You will own significant platform capabilities and work hands-on with Kotlin/Java, Spark, Iceberg, and streaming infrastructure in a cloud-native environment.

Along with designing scalable APIs and improving platform quality, you will mentor engineers and leverage AI tooling to boost team productivity in a hybrid Dublin office setup.

Qualifications

• 5+ years in software engineering with a strong focus on data platforms or distributed systems.
• Proficiency in Java, Kotlin or other object-oriented language.
• Strong hands-on expertise in Apache Spark and Apache Iceberg (or similar).
• Experience with streaming infrastructure (Apache Kafka, Apache Pulsar, or similar) and cloud-native data platforms on AWS.
• Experience building internal platforms and developer-facing abstractions.
• Databricks experience is a bonus.

Responsibilities

• Lead the delivery of significant data platform capabilities, from early design through production rollout, across the AAP team and the teams that depend on it.
• Work hands-on with Kotlin/Java, Spark, Iceberg, and our streaming infrastructure, diagnosing performance, reasoning through trade-offs, and writing the code that sets the pattern for others.
• Anticipate how requirements will change and design systems that can absorb that change, exploring the problem fully before settling on a solution.
• Evolve the platform's API surfaces so that engineers across Toast can self-service - adoption and ease-of-use are part of the job.
• Lead efforts that measurably improve platform quality, reliability, and observability for the teams and customers who depend on it.
• Mentor other engineers and raise the bar on engineering practices across the organisation.
• Use AI tooling as a genuine force multiplier in your day-to-day work and help the team do the same.

Skills

Java

Kotlin

Apache Spark

Apache Iceberg

Streaming infra

AWS

Mentorship

Tools

Databricks

Job description

Toast, Inc. is seeking a Staff Software Engineer to lead the data platform evolution in Dublin. You will own significant platform capabilities and work hands-on with Kotlin/Java, Spark, Iceberg, and streaming infrastructure in a cloud-native environment.

Along with designing scalable APIs and improving platform quality, you will mentor engineers and leverage AI tooling to boost team productivity in a hybrid Dublin office setup.